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0721 IH-4933
MAINTENANCE
TROUBLESHOOTING
CAUTION! Disconnect power before servicing.
Do not stand the pump on its shaft.
1. After each use, flush the pump with water or a
suitable nonflammable solvent.
2. Store the pump in a clean, dry area. The preferred
method of storage is hanging.
3. Motor bearing never needs to be lubricated,
replace when necessary.
4. Pump should be checked daily, weekly and monthly
for proper operation. If anything has changed since
unit was new, unit should be removed and repaired
or replaced. Replace any worn or damaged parts
immediately.
5. Only qualified electricians or servicemen should
attempt to repair this unit. Improper repair and/or
assembly can cause an electrical shock hazard.
OPERATING ISSUE
CAUSES
RECOMMENDATIONS
Pump does not prime.
Clogged impeller augers.
Clogged discharge port.
Broken shaft coupling.
Worn or damaged shaft seal.
Clean impeller and augers.
Clean and discharge port and
hose.
Replace shaft coupling.
Replace shaft seal.
Insufficient flow.
Possible causes for "Pump does
not prime." (See above)
Clogged impeller or augers.
Clogged discharge hose.
Pinched discharge hose.
Pumped liquid is too viscous.
Check and repair as is
necessary.
Clean impeller or augers.
Clean discharge hose.
Replace discharge hose.
Use only for liquids with
viscosity within range of pump.
1-800-295-5510
uline.com
